Home / 18,976.33-28,462-5,827.60

Finding the Fourth Proportional to 18,976.33, 28,462 and 5,827.60

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Solution

The fourth proportional to 18,976.33, 28,462 and 5,827.60 is: 8,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.33 : 28,462 = 5,827.60 : x
  2. Step 2: Convert to fraction form
    18,976.33/28,462 = 5,827.60/x
  3. Step 3: Cross multiply
    18,976.33x = 28,462 × 5,827.60
  4. Step 4: Simplify right side
    18,976.33x = 165,865,151.20
  5. Step 5: Solve for x
    x = 165,865,151.20/18,976.33
  6. Step 6: Final answer
    x = 8,740.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.